German Gaich defeated Damian Guichonet 6-3 7-5 in the Argentina F1 round of 32 on clay. The result followed the form book — German Gaich came in leading the head-to-head 2–0. German Gaich extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-16 | Argentina F24 | R32 | clay | German Gaich | 7-6(3) 6-1 |
| 2008-10-13 | Argentina F13 | R32 | clay | German Gaich | 6-1 7-6(3) |